Slide fastener



FIG. 1 is a front elevational view of a slide fastener showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a cross-sectional view taken along the line 6--6 of FIG. 1. 

The ornamental design for "a slide fastener," as shown. 